/Engine/Plugins/MeshPainting/Source/MeshPaintingToolset/Public/BaseMeshPaintComponentAdapter.h
Retrieves the influenced vertex indices and positions that intersect the given sphere
virtual void GetInfluencedVertexData ( const float ComponentSpaceSquaredBrushRadius, const FVector & ComponentSpaceBrushPosition, const FVector & ComponentSpaceCameraPosition, const bool bOnlyFrontFacing, [TArray](API\Runtime\Core\Containers\TArray)< TPair< int32, FVector >> & OutData ) const